SDR O2JA201802050001

Service difficulty report · Anti-Ice System · Lear 35A

Difficulty date: January 30, 2018
Submitted: February 5, 2018
Operation: Air carrier
Aircraft: N989AL
Make and model: Lear 35A
Aircraft serial: 35A228
Aircraft time: 20,450 hours, 14,166 cycles
System (JASC): 3010 · Airfoil Anti/De-ice System
Part: Anti-Ice System
Condition: Odor
Stage of operation: CR
How discovered: O
Nature of condition: B
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING A TEST OF THE ANTI-ICE SYSTEM AT 39,000 FT, A VERY STRONG ODOR OF SMOKE AND BURNED POPCORN FILLED THE CABIN. WING HEAT REACHED MIDDLE GREEN, STAB HEAT BARELY ENTERED THE GREEN. TESTED EACH NAC HT INDIVIDUALLY NO ODOR, ODOR CAME BACK STRONGLY. AIRCRAFT AND THE CREW LANDED SAFELY TO BASE WITH NO OTHER INCIDENTS.

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